Finding the Fourth Proportional to 11,026.91, 15,217.25 and 5,991.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,026.91 : 15,217.25 = 5,991.17 : x
2. Step 2: Convert to fraction form
   11,026.91/15,217.25 = 5,991.17/x
3. Step 3: Cross multiply
   11,026.91x = 15,217.25 × 5,991.17
4. Step 4: Simplify right side
   11,026.91x = 91,169,139.77
5. Step 5: Solve for x
   x = 91,169,139.77/11,026.91
6. Step 6: Final answer
   x = 8,267.88